3521.43% is the change from 14 to 507
Calculation steps:
[( 507 - 14 ) ÷ 14] x 100 = 3521.43%
Formula
Percentage change = [(507 - 14) / 14] x 100
Subtract the new number by the original number
507 - 14 = 493
493 ÷ 14 = 35.214285714285715
35.214285714285715 x 100 = 3521.43%